The average train between Cos Cob and Boston takes 4h 14m and the fastest train takes 3h 18m. There is a train service every few hours from Cos Cob to Boston. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run hourly between Cos Cob and Boston. The earliest departure is at 2:50 AM at night, and the last departure from Cos Cob is at 9:36 PM which arrives into Boston at 1:25 AM. All services require a transfer at Stamford and take an average of 4h 14m. The schedules shown below are for the next available departures.

6h 42m • 1 change
3h 56m • 1 change
3h 18m • 1 change
3h 51m • 1 change
7h 15m • 1 change
4h 45m • 1 change
3h 43m • 1 change
4h 30m • 1 change
7h 15m • 1 change
4h 45m • 1 change
3h 56m • 1 change
4h 59m • 1 change
6h 42m • 1 change
3h 56m • 1 change
3h 18m • 1 change
3h 51m • 1 changeWant to know about travelling from Cos Cob to Boston? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Cos Cob to Boston. However, there are services departing from Cos Cob station and arriving at Boston station via Boston. The journey, including transfers, takes approximately 4h 14m.
Cos Cob to Boston train services, operated by Metro-North Railroad (MNR), depart from Stamford Amtrak Station.
Cos Cob to Boston train services, operated by Metro-North Railroad (MNR), arrive at Boston station.
The distance between Cos Cob and Boston is 257.2 km. The road distance is 320 km.
Amtrak Acela operates a train from Stamford Amtrak Station to Boston every 4 hours. Tickets cost $45–700 and the journey takes 2h 57m. Amtrak also services this route every 3 hours.